WebPriming: When steam is produced rapidly in boilers the steam velocity suddenly increases and some droplets of liquid water are carried along with steam. If saturated steam contains liquid particles, then it is known as, If saturated steam does not contain any liquid particles, then it is known as. Let us understand what is happening in the above graph. These applications will - due to browser restrictions - send data between your browser and our server. /FontName /TimesNewRomanPS-BoldMT Definition of dry steam: steam containing no free This heat is utilized for increasing the internal energy of water. 3-7 illustrates the three stages in the formation of steam, at some constant pressure, namely: During this stage 1 kg of water at 0C is pumped into the cylinder against an absolute pressure P, the pressure of steam generation. Enthalpy-entropy (h-s) chart or Mollier called the heat of vapourisation. This energy appears as pressure energy of the water in the cylinder and could be made to do work by virtue of its pressure. View Answer, 4. Heat from Earths interior generates surface phenomena such as lava flows, geysers, fumaroles, hot springs, and mud pots. Before uploading and sharing your knowledge on this site, please read the following pages: 1. The average value of Cp for superheated steam is 2.0934 kJ/kg-K. Examss Mock Test, Saturated steam which may be either wet or dry. M$H\qi "J;_Pw0->a4(bR)MZG^,L_gV, wGE,3w4d=Z6bM{ NGL%39g2. Wet steam is also known as supersaturated steam. Consider 1 kg steam at absolute pressure P1, the absolute temperature of formation at this pressure will be T1; the value of T1 can be obtained from the steam tables. When x = 1, the steam is said to be dry and saturated. It is necessary to understand the properties of steam so that we can make proper use of it. WebIf the wet soil beneath is the major source of vapor, however (this type of dew formation is called distillation), wind always seems adverse. Finally, the system does no external work, i.e. So the enthalpy of this dry steam will beh, . The resulting volume is known as Specific Volume of Steam whose temperature comes higher than its vaporization point at the absolute pressure (where the temperature is measured) is superheated steam. View Answer, 9. Mechanical steam purifiers avoid a. The way he ignored all my questions related to high school life.. May screamed at Ash who held his calm look running his hand through the wet hair standing under the massive roof of the godown with sound of rain clattering against the metallic roof filling the whole area.. c) reverse capillarity The amount of superheat in the steam is given in terms of the difference between its temperature and that of the saturated steam at the pressure of steam generation. (b) Sensible a) increases lower water boiling temperature at higher altitudes, Properties of Saturated Steam - Imperial Units, a vapor is a substance in gaseous state - at a condition where it is ordinarily a liquid or a solid, increased pressure above a liquid - reduces evaporation. Steam containing droplets of liquid water is called wet steam. Priming is caused by Presence of large amount of dissolved solids. Disclaimer 8. If 1 kg of wet mercury vapour contains 0.12 kg of droplets of liquid mercury, it has a dryness fraction of (1 0.12) = 0.88. If we know certain properties, the other properties may be found out or derived. The smooth curve through all points b is the phase boundary for solid and liquid; points on this line represent all equilibrium mixtures of solid and liquid. If the steam at pressure P1 had been wet, with a dryness fraction of x, the entropy of evaporation would be . Water possesses unique physical properties, without which life would probably never have evolved on earth. Th. If, however, the steam has particles of water suspended in it, then it is called wet steam. All Rights Reserved. Such a diagram is called a phase diagram for pure substance. Allahabad University Group C Non-Teaching, Allahabad University Group B Non-Teaching, Allahabad University Group A Non-Teaching, NFL Junior Engineering Assistant Grade II, BPSC Asst. Supersaturated steam is also called as _________a) saturated steamb) single phase mixc) two phase mixd) none of the mentionedAnswer: cClarification: In supersaturated steam there is a mixture of two phases gaseous and liquid, so it is called a two phase mix. The sensible heat supplied in the warming stage is used for two purposes: (i) To increase the temperature of 1 kg of water from 0C to ts. The value of mean specific heat of superheated steam Cp depends upon the degree of superheat and the pressure of steam generation. Weba) Hardness should be below 0.2ppm. at point 4) and pressure P4 is equal to the temperature T3 and pressure P3 respectively. Saturated steam means saturated with energy, contains both sensible and latent energy. The method is very simple and at the same time accurate. Required fields are marked *. View Answer, 5. Slight increase in temperature results in steam formation and slight decrease in temperature results in formation of liquid water. 3.16. The point C will represent dry steam at pressure P1. 1. << Mollier Diagram or Total-Heat-Entropy or Enthalpy-Entropy Diagram (h-s Diagram). The Water Cycle. Figure 10.3 shows such a diagram where the phase changes are shown. (making use of the available solar energy) Geo-thermal power generation. Webwet steam formation is called asbrassaiopsis mitis for sale. Dry steam - all water molecules are in the gaseous state. In steam turbines the formation of wetness causes additional dissipation, blade erosion, and corrosion problems. Entropy of superheated steam. 3.17. In other words, during a throttling process the enthalpy remains constant. This steam is mostly used in Power generation. WebThis process is called the water cycle. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. and tsat = saturation temperature corresponding to the pressure of steam generation. When steam is transported dryness fraction _________ On the other hand, when the vapor quality is equal to 1, it is referred to as the saturated vapor state or dry steam (single-phase). Wet steam is steam quality, which well be talking about that in part two. /Type /FontDescriptor WebThe dryness fraction of a wet steam may also be defined as the amount of dry steam in unit amount of the steam. 4 0 obj Remember, saturated steam is a dry, invisible gas. If the system is suitably insulated then there is no heat transfer so Q= 0. WebSaturated steam The steam existing at saturation temperature is called as saturated steam.The resulting steam and water mixture is called as wet steam. Home alachua county covid relief fund wet steam formation is called as. It can be represented in terms of Q: H.W Saturated liquid-vapor mixture of water, called wet steam, in a steam line at 1500 kPa is A: Click to see the answer Q: Saturated liquid-vapor mixture of water, called wet steam, in a steam line at 1500 kPa is throttled A: Click to see the answer This pressure drop through the system creates the flow of steam through the pipes. Before going into formation of steam let we understand why steam is beingformed/producedat constant pressure. Dry Saturated Vapor A dry saturated vapor is free from liquid particles. WebSteam bubbles are produced at the heat-transfer surface, rising through the water and then leaving the water surface to enter the steam system. /Type /Font Experimentally, accurately determined, values are tabulated in tables that are called as Steam tables. It is denoted by the letter hfg in steam tables. [778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 778 250 333 555 500 500 1000 833 278 333 333 500 570 250 333 250 278 500 500 500 500 500 500 500 500 500 500 333 333 570 570 570 500 930 722 667 722 722 667 611 778 778 389 500 778 667 944 722 778 611 778 722 556 667 722 722 1000 722 722 667 333 278 333 581 500 333 500 556 444 556 444 333 500 556 278 333 556 278 833 556 500 556 556 444 389 333 556 500 722 500 500 444 394 220 394 520 350 500 350 333 500 500 1000 500 500 333 1000 556 333 1000 350 667 350 350 333 333 500 500 350 500 1000 333 1000 389 333 722 350 444 722 250 333 500 500 500 500 220 500 333 747 300 500 570 333 747 500 400 549 300 300 333 576 540 333 333 300 330 500 750 750 750 500 722 722 722 722 722 722 1000 722 667 667 667 667 389 389 389 389 722 722 778 778 778 778 778 570 778 722 722 722 722 722 611 556 500 500 500 500 500 500 722 444 444 444 444 444 278 278 278 278 500 556 500 500 500 500 500 549 500 556 556 556 556 500 556 500] Priming mainly caused due to very high water level. 8 0 obj Saturated steam is a vapour at the temperature corresponding to the boiling point of the liquid at the imposed pressure. a partially opened valve or an orifice plate, causing a considerable loss in the pressure of the fluid. The SSC JE Paper II Exam will be held on 26th February 2023. The final temperature is. 10.9. If we know the pressure within the main steam supply pipe of the calorimeter then we can find the dry and wet saturation values of the enthalpy from the steam tables, h, , respectively. Draw the curve ce through the points so obtained. [507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 507 226 326 401 498 507 715 682 221 303 303 498 498 250 306 252 386 507 507 507 507 507 507 507 507 507 507 268 268 498 498 498 463 894 579 544 533 615 488 459 631 623 252 319 520 420 855 646 662 517 673 543 459 487 642 567 890 519 487 468 307 386 307 498 498 291 479 525 423 525 498 305 471 525 229 239 455 229 799 525 527 525 525 349 391 335 525 452 715 433 453 395 314 460 314 498 498 507 498 250 305 418 690 498 498 395 1038 459 339 867 498 468 498 498 250 250 418 418 498 498 905 450 705 391 339 850 498 395 487 226 326 498 507 498 507 498 498 393 834 402 512 498 306 507 394 339 498 336 334 292 550 586 252 307 246 422 512 636 671 675 463 579 579 579 579 579 579 763 533 488 488 488 488 252 252 252 252 625 646 662 662 662 662 662 498 664 642 642 642 642 487 517 527 479 479 479 479 479 479 773 423 498 498 498 498 229 229 229 229 525 525 527 527 527 527 527 498 529 525 525 525 525 453 525 453] << If the steam is dry and saturated then only pressure should be known to determine all the properties. endobj WebIf the water content of the steam is 5% by mass, then the steam is said to be 95% dry and has a dryness fraction of 0.95. The values given in the tables are for one kg of dry saturated steam but these values can also be employed for wet steam calculations. During this stage further heat is supplied to 1 kg of water at tsat, the saturation temperature corresponding to the constant pressure P. The volume changes from vf to vg. (ii) To force back the piston to increase the volume from that of water to that of steam. WebAnswer (1 of 7): Steam is Wet when it has been insufficiently heated to transpire the latent heat of evaporation. When ice melts, it sounds itself with pure water and thus prevents intimate contact of ice and air saturated water. Mixture of steam and liquid water is called as _________a) dry steamb) wet steamc) saturated steamd) none of the mentionedAnswer: bClarification: Mixture of steam and liquid water is called as wet steam. View Answer, 10. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S>> d) none of the mentioned Before studying about steam table of water, we will first understand the meaning of steam table, steam and its properties. The water vapor rises. It is generally denoted by the letter x. The isothermal compression is represented by curve 3-4 on p-v and T-s Thus, any condition of steam can be represented by a corresponding point on the T-S diagram. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. If the dryness fraction of steam is known, with the help of steam tables we can get the value of total heat for wet steam by the formula given below: where Hwet = enthalpy of 1 kg of wet steam. View Answer, 6. At the triple point of a pure substance, what is the number of degrees of freedom? endobj The graph is plotted between T and h. Lets start with point A at which ice is at temperature -10. Which of the following gas leaked in the Bhopal Gas tragedy in December 1984? If we keep providing heat then ultimately at F superheated steam is obtained. The presence of large amount of dissolved solids, high steam velocities, sudden increase in steam production rate. Wet steams causes corrosion. Equipment size can be decided, pipe systems can be perfectly designed. Content Filtration 6. Till now we had studied that it is very important to study and understand the properties of steam for proper utilization. Now, as we provide heat to the piece of ice, its temperature as well as enthalpy increases simultaneouslyuptopoint B. Similarly if heat is removed more of the vapour condenses but the temperature will remain constant. This is so because of latent heat of fusion. The velocityC2is similar to C1, so the change in the kinetic energy is neglected. Similar constant pressure lines can be drawn for superheated steam at other pressures. %PDF-1.5 is the enthalpy of liquid that is water at boiling point thats why subscript l is used, point D in h-T diagram. Mollier diagram is a very convenient design tool for thermal engineers. Image credit: NASA/JPL-Caltech/Alex Novati. What is called of wet steam? a) wet steam IV) Melting point, According to the kinetic theory of gases, the absolute zero temperature is attained when. The processes of dew formation do not Notice here that saturated vapour line flattens out towards the right, indicating that the volume increases at an increasing rate at low pressure. WebThe process of wet-steam formation is called [ ] a. Foaming b. priming c. corrosion d. caustic embrittlement. /Type /Font Concrete has Low specific strength. WebWet steam is characterized by the vapor quality, ranging from zero to unity open interval (0,1). /Encoding /WinAnsiEncoding What is wet steam formation is called as? The support material reduces as the reaction takes For at a certain temperature, the saturated vapour will have a certain pressure (look at the values in the left hand column of the saturation tables). If superheated steam is brought in contact with water it will give up part of its heat to the water. From dry saturated condition a vapour receives superheat and its temperature rises above saturation temperature tsat. Terms of Service 7. Thus the steam consists of dry saturated and water particles in suspension. The final condition of the steam after expansion can also be read off from the diagram. /Widths 9 0 R endobj Flashcards. If I was piping a steam boiler and it had 10 holes for risers, Id use them all. Hydraulic water hammer is caused by _______a) wet steamb) dry steamc) pressurized waterd) none of the mentionedAnswer: aClarification: Hydraulic water hammer is caused by wet steam. A sample of ideal gas has an internal energy U and is then compressed to one-half of its original volume while the temperature stays the same. IT means that the temperature T4 (i.e. 3.9. Steam has been a popular mode of conveying energy since the industrial revolution. Difference between two values at 10 and 10.5 is 772.03 762.61 = 009.42 kJ/kg. In this article we will discuss about:- 1. When we heat water enough to a temperature of 100 degrees celsius, then the liquid temperature starts converting to gas or steam. Hydraulic water hammer is caused due to ______ They were out in two days. The enthalpy of a vapour depends on how the vapour is heated. Steam and Gas Turbines Multiple Choice Questions on Wet and Supersaturated Steam. 3. /StemV 87 This diagram represents the entropy and total heat or enthalpy of steam. Match. 6 0 obj Then, increase in entropy due to superheating is . c) humidity in pipelines & accumulation of condensate The process of wet steam formation is called a. Foaming b. priming c. corrosion d. caustic embrittlement. Wet Steam: When steam contains water particles then it is known as Wet steam Dry Steam: When wet steam is further heated then all water particles get /XHeight 469 If heat is added to the wet steam temperature _________a) raises immediatelyb) decreases immediatelyc) raises after sometimed) none of the mentionedAnswer: cClarification: When heat is added to the steam immediately the liquid particles try to evaporate and form saturated steam only after that the temperature starts rising. b) capillarity Ifthat means dry steam is 0.9 kg and water vapour is 0.1 kg in 1 kg of given steam. a) hydraulic water hammer Prohibited Content 3. In a Mollier diagram, the region situated at right hand side of the saturation line is called as the superheated region. 8. FBiH Konkursi za turistike vodie i a) humidity in pipelines Method of linear interpolation to find, say, enthalpy at 10.2 bar pressure. Mechanical steam purifiers avoid. The units of entropy are reckoned from the freezing point of water. It is denoted by x. Water spray systems are usually installed in both the drywell and the wetwell. Actually it has much broad definition in thermodynamics but for 1styear BME students this definition works just fine. Webwet steam formation is called as. The most common example of a vapor is steam - water vaporized during boiling or vaporation. It should be noticed that the area of the chart between the water line and the dry steam line represents wet steam. | Erfahren Sie mehr ber die Berufserfahrung, Ausbildung und Kontakte Priming is caused by; the presence of a large amount of dissolved solids; high steam velocities, sudden boiling ; improper Wet steam will have lower usable Learn. /Subtype /TrueType /XHeight 464 SSC JE ME Paper I 2022 Results & Cut-Off has been released. The consequences of using wet steam in sterilization are: Regardless of the amount of moisture in microorganisms, saturated steam effectively transfers heat and kills microorganisms. 3 0 obj b) dry steam /FontBBox [-519 -349 1263 1039] It has now entered the superheat phase. The Temperature-Entropy Diagram for Steam: It is possible to plot on a Temperature Entropy diagram, a chart which gives the entropy of water and steam at all temperatures and pressures. These applications are mentioned below. When water is heated to a certain temperature, it starts getting converted to a different phase. /FontDescriptor 5 0 R View Answer, 2. Content Filtration 6. /StemV 165 Keep units in mind while using steam tables and use scale for current measurement. The difference (tsup tsat) is called the degree of superheat, e.g., steam at a pressure of 10 bar has a saturation temperature of 179.9C and if the temperature of steam is 200C the degree of superheat is 200 179.9 = 20.1C. Actually, the curve ce is a constant pressure line. Find out in the temperature where 150is. steam engines train). The total enthalpy of superheated vapour will be the sum of the enthalpy of dry saturated vapour and the superheat enthalpy. It values of enthalpy will be positive and below the reference state values of enthalpy if given will be negative. without doing any calculation or other thing. Thus, we see that energy is supplied in three stages to generate steam at a pressure P from water at 0C. Formation of Steam 2. geothermal energy, form of energy conversion in which heat energy from within Earth is captured and harnessed for cooking, bathing, space heating, electrical power generation, and other uses. Manage Settings Coming back to steam table use, we can use either temperature tables or pressure tables. The process of producing energy by utilizing heat trapped inside the earth surface is called _________. The Mollier diagram is used by design engineers while designing a power plant, the data is used for checking properties of the air at different temperature and pressure values. >> Boiling is initiated when the absolute pressure in a fluid reaches vapor pressure. Fog is often described as a stratus cloud resting near the ground. c) saturated steam liquid to vapour (steam) takes place. /Type /Font W =0. ~K]l#2X\O YN.n!m~|AF@ ?3= c/tp;|+f[!.7)xRw O#0L7:pi`|Y%t3Z\Hc a) Hydrothermal energy. Highly superheated vapors are gases that approximately follow. If the system is suitably insulated then there is no heat transfer so Q= 0. Knowledge about moist in air is important for the design of air-condition applications - like HVAC systems and industrial dryers. It is always, preferable to refer to the tables for accurate values. b) decreases immediately (ii) To do external work dw (vf a) Joules in increasing the volume of water from a to vf against the absolute pressure P which acts constantly on the piston. c) Its soda alkalinity should be 0.45-1 ppm. WebAs the DLGs Head of Research and Innovation I create and shape the research program and innovation actions of the DLG`s Agricultural Competence Center enabling medium-to-long-term agricultural research priorities that contribute to innovation and its long-term overall success. XL=:u("]H+?exZjF@qS7yqx8N\`da1z2J?A_^>>.{@p3#"~mLGA>t7h0'4~'[2F=f>tU0gM) Ucqn:X0tcun8m5]I qY\V% U]0F5M(V^U  3bg19J{P>YuhO1}kOYuF[w 6. << d) none of the mentioned Content Guidelines 2. The dryness fraction of a wet steam may also be defined as the amount of dry steam in unit amount of wet steam. USP defines pure steam as: Pure Steam is water that has been heated above 100C and vaporized in a manner that prevents source water entrainment. Before 1954 there were two fixed points . formation of the original crust filling of maria basins formation of rayed craters excavation of large impact basins. This process of wet steam formation is called priming. 1. 1,12,400/- pay scale. Compressed water and sub cooled water are same in nature. The actual enthalpy of evaporation of wet steam is the A wetwell is a suppression chamber, which stores a large body of water and therefore it is commonly called as the suppression pool. Flashcards. Constant pressure lines are plotted on the diagram through both the wet steam area and the superheat area. Toughness of concrete is only 1-2% of steel. Diagrams for these two examples are shown below. /Widths 15 0 R Similarly, In this process there is no change in elevation soz, , so the potential energy term is zero. /BaseFont /TimesNewRomanPS-BoldMT Another type of entropy diagram which is used by engineers is the Mollier diagram or Enthalpy Entropy (h-s) diagram. Usually steam contains particles of liquid particles, but at certain temperatures the liquid particles also evaporate to become steam. Question 139 1 / 1 pts Which of the following is correct regarding a wave in the open ocean? /Flags 32 These properties can be found out at a given pressure or temperature. /CapHeight 662 Vapor at the temperature of the boiling point corresponding to its pressure. The area of the chart to the right of the dry steam represents superheated steam, and is known as the area of superheat, or superheat region. 10. Again consider the steam at pressure P1. This curve is known as the dry steam line, and its horizontal distance from the vertical ordinate represents the total entropy of steam at any pressure. % /FontName /Calibri-Bold Some of our partners may process your data as a part of their legitimate business interest without asking for consent. In Fig. 35,400/- to Rs. Dry Saturated Vapor A dry saturated vapor is free from liquid particles. The resulting volume is known as specific volume of dry steam. WebSee Page 1. The wet steam passes through a small orifice where it must undergo a sufficiently large pressure drop to become superheated. Constant volume-specific heats of incompressible substances depend on ______. WebWhen hard water is used in the boiler to convert it into soft water. In practice it is difficult to get an absolutely dry saturated steam if it is produced by boiling, because some of water particles are carried away with the steam. endobj WebThis set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on Wet and Supersaturated Steam. a) entrainment The enthalpy of superheated water is much higher than that of sub cooled water. WebDownload scientific diagram | Schematic diagram of the diffusion battery. eap_24. Entropy is defined by the ______ law of thermodynamics. The energy expended by the pump to deliver 1 kg of water of volume a m3 at 0C equals P a (joules). 11 0 obj b) single phase mix A Temperature Entropy Chart (T-S Chart) is plotted in Fig. 10.7, m represents the state where Vf = 0.0010434 m3/kg at 1 bar pressure. /Flags 32 7 0 obj The steam generated in the boiler must be conveyed through the pipework to the point where its heat energy is required. Constant pressure lines are straight lines in the wet region and curved in the superheat area. The value of latent heat of vaporization decreases as the pressure increases and it becomes zero when the critical pressure is reached. Wet steam just wastes fuel, leads to water hammer, and makes everyone miserable. This relation is valid for, A perfect gas at 27C is heated at constant pressure till its volume is double. These values form the basis for many calculations concerned with steam engineering. When the clouds are full of water, or saturated, they release some of the water as rain. So the enthalpy of this dry steam will behg2. Let this be represented by bf and be plotted to the same scale. All other properties of a given mass of steam can be known when any two properties such as the pressure and dryness fraction of steam for saturated steam and pressure and degree of superheat for superheated steam are known. Web 3 The Process Of Wet Steam Formation Is Called, 46 Metascore A guy who complains about God as well frequently is specified almighty Point B, the junction of the three phase boundaries, is called the triple point because it represents all equilibrium mixtures of solid, liquid and vapour. /FontBBox [-558 -328 2000 1056] Steam may occur in any one of the following three conditions: (i) Saturated steam which may be either dry or wet. b) decreases This also solves the problem of some of the water droplets going out of the steam pipe in the Separating Calorimeter. July 4, 2022 July 4, 2022. +Q4(IU"mEhp_1?Y=JqD,imXnd Yvfcp:v4/EC$?of?yPXK?@ftiN@7l@b=y[TlT9A35`uwm 26 The dryness fraction is determined as follows. 4 0 obj WebWebsite Builders; cgp aqa gcse biology workbook answers. Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications! Properties of Steam 3. This process goesuptoE. /Subtype /TrueType The temperature scale in use since 1954 is based on one fixed point only. Uploader Agreement. WebThe wet bulb temperature of air is also measured by the ordinary thermometer, but the only difference is that the bulb of the thermometer is covered by the wet cloth. If saturated steam contains liquid particles, it is known as Wet Steam. So we are left with simply. If the temperature of the steam is 100 degrees higher than the saturation temperature corresponding to the pressure of steam generation, we say that the steam has 100 degrees of superheat. All particles are vaporized - any decrease in vapor temperature or increase in vapor pressure, condensates liquid particles in the vapor. c) remains constant . << /ItalicAngle 0 /LastChar 255 To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Temperature of the ordinary air measured by the thermometer when it is covered by wet cloth or wick is called as the wet bulb temperature, commonly referred to as WBT. We don't save this data. What is meant by dry steam? Since we are providing continuous heat the temperature and the enthalpy both increases (sensible heating). WebArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. The values tabulated in the steam tables are determined accurately by experiments. engineeringenotes.com All rights reserved. Again, consider 1 kg of dry steam at condition c. Let steam be now superheated by increasing the absolute temperature from T1 to TS. Steam: Properties, Tables, Phase Diagram and Saturated Steam | Thermodynamics, Entropy of Vapours in 3 Phases: Water, Evaporation and Superheated Steam | Thermodynamics, Steam: Generation, Types and Volume | Energy Management, Simple Vapour Power Cycles: Carnot & Rankine Steam Plant Cycles | Thermodynamics, Unconventional Machining Processes: AJM, EBM, LBM & PAM | Manufacturing, Material Properties: Alloying, Heat Treatment, Mechanical Working and Recrystallization, Design of Gating System | Casting | Manufacturing Science, Forming Process: Forming Operations of Materials | Manufacturing Science, Generative Manufacturing Process and its Types | Manufacturing Science. = The term specific volume refers to the volume that one kg of steam occupies at a given pressure and temperature. >> The P V and T S Diagrams for H2O (Vapours): P V Diagram for Saturated Liquid and Vapour: The saturated water curve (liquid line) is obtained by plotting P and Vf values form the steam tables on P-V coordinates and T-Sf values on T-S coordinates.
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